| Montabaur to Marco de Canavezes | 996.73 mi (1,604.07 km) |
| Montabaur to Marinha Grande | 1,096.95 mi (1,765.38 km) |
| Montabaur to Massama | 1,160.58 mi (1,867.78 km) |
| Montabaur to Matosinhos | 1,016.99 mi (1,636.68 km) |
| Montabaur to Mealhada | 1,047.45 mi (1,685.71 km) |
| Montabaur to Melgaco | 956.37 mi (1,539.13 km) |
| Montabaur to Melres | 1,011.61 mi (1,628.02 km) |
| Montabaur to Mira | 1,055.16 mi (1,698.11 km) |
| Montabaur to Miranda do Corvo | 1,057.69 mi (1,702.18 km) |
| Montabaur to Mirandela | 946.66 mi (1,523.50 km) |
| Montabaur to Mogadouro | 937.67 mi (1,509.03 km) |
| Montabaur to Moimenta da Beira | 987.41 mi (1,589.08 km) |
| Montabaur to Moita | 1,156.11 mi (1,860.58 km) |
| Montabaur to Moncao | 966.47 mi (1,555.38 km) |
| Montabaur to Montalegre | 952.47 mi (1,532.86 km) |
